• XLPE绝缘材料
• 内外屏蔽材料
• 汽车线束绝缘材料
• 弹性体材料
• UL系列材料
• 通用PVC材料

Product Description and Application 产品描述和用途
EHLZ is a kind of flame-retardant jacketing compounds with linear low density polyethylene resin as the basic raw materials. It is mainly used as the jacketings of communication cables and control cables which have environmental-cracking resistant and flame-retardant requirements. The highest working temperature is 70℃.
EHLZ是以线性低密度聚乙烯为基材的电缆用阻燃级护层材料。主要用于耐环境开裂和阻燃要求的通信电缆、控制电缆的护层. 最高工作温度70℃。
 
Processing Indicator 加工工艺
Recommend to use single ordinary screw extruder with L/D=20-25.
采用普通单螺杆，长径比L/D=20-25。

Model 牌号	Machine Barrel Temperature 机筒温度	Molding Temprature 机头温度
EHLZ	150-170℃	170-190℃

 
 
Physical and Electrical Properties 物理及电性能指标

Item 试验项目	Unit 单位	Technical requirements 技术要求
Density 密度	g/cm3	≤1.0
Melt Index 熔融指数	g/10min	≤2.0
Tensile Strength 拉伸强度	MPa	≥13.0
Elongation at Break 断裂伸长率	%	≥450
Brittle Temperature with Low Temperature 低温脆化温度	℃	≤-76
Resistance to Environmental Stress Cracking F0耐环境应力开裂F0	h	≥500
20℃Volume Resistivity 20℃体积电阻率	Ω·m	≥1.0×1012
20℃Dielectric Strength,50Hz 20℃介电强度, 50Hz	MV/m	≥25.0
20℃Dielectric Constant,50Hz 20℃介电常数, 50Hz	---	≤2.80
Oxygen Index 氧指数	%	≥25
200 ℃Oxidation Induction Time 200℃氧化诱导期	min	≥30